High Voltage 16 Input Extender with Modbus

  • Sixteen 60-500V AC or DC digital inputs
  • Multi baud-rate support and input signal indicators
  • Wide power supply 8-36V DC or 8-24V AC

16 digital input extender with high voltage range from 60V AC up to 500V AC to Modbus RTU. Input also supports DC voltage in same voltage range. The power supply range is 8 to 36V and accept DC or AC voltage. Extended baud-rate and address configuration to meet advance system requirement.


  • Street lighting electrical panels, road infrastructure panels
  • Controllers of industrial machines and vending machines

 RS485ModbusOpto-isolation16-inreal time

Technical specification

Digital inputs 16 x opto-isolated AC/DC digital inputs 60 to 500V AC/DC
Serial interface 1 x RS485
Modbus address setting 8 way DIP switch
Baudrate 2400, 4800, 9600, 14400, 19200, 28800, 38400, 57600, 115200, 128000
Status indicators 8 x inputs, 2 x serial data, 1 x power, 1 x activity
Other option 120 Ohm termination jumper
Power 8-36V DC with reverse polarity protection, 8-24V AC
Operating temperature -10 °C to 75 °C
Housing PVC for DIN rail mounting
Dimensions (W x H x D) 120mm x 90mm x 50mm
Weight 140g



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Functional Specification

Operating system Linux, Windows, MAC OS or any with Modbus RTU

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